1 /*
2 **
3 ** Copyright 2008, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 **     http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17 
18 #ifndef INSTALLD_CONSTANTS_H_
19 #define INSTALLD_CONSTANTS_H_
20 
21 namespace android {
22 namespace installd {
23 
24 /* elements combined with a valid package name to form paths */
25 
26 constexpr const char* PRIMARY_USER_PREFIX = "data/";
27 constexpr const char* SECONDARY_USER_PREFIX = "user/";
28 
29 constexpr const char* PKG_DIR_POSTFIX = "";
30 
31 constexpr const char* PKG_LIB_POSTFIX = "/lib";
32 
33 constexpr const char* CACHE_DIR_POSTFIX = "/cache";
34 constexpr const char* CODE_CACHE_DIR_POSTFIX = "/code_cache";
35 
36 constexpr const char* APP_SUBDIR = "app/"; // sub-directory under ANDROID_DATA
37 constexpr const char* PRIV_APP_SUBDIR = "priv-app/"; // sub-directory under ANDROID_DATA
38 constexpr const char* EPHEMERAL_APP_SUBDIR = "app-ephemeral/"; // sub-directory under ANDROID_DATA
39 
40 constexpr const char* APP_LIB_SUBDIR = "app-lib/"; // sub-directory under ANDROID_DATA
41 
42 constexpr const char* MEDIA_SUBDIR = "media/"; // sub-directory under ANDROID_DATA
43 
44 constexpr const char* PROFILES_SUBDIR = "misc/profiles"; // sub-directory under ANDROID_DATA
45 
46 /* other handy constants */
47 
48 constexpr const char* PRIVATE_APP_SUBDIR = "app-private/"; // sub-directory under ANDROID_DATA
49 
50 // This is used as a string literal, can't be constants. TODO: std::string...
51 #define DALVIK_CACHE "dalvik-cache"
52 constexpr const char* DALVIK_CACHE_POSTFIX = "/classes.dex";
53 constexpr const char* DALVIK_CACHE_POSTFIX2 = "@classes.dex";
54 
55 constexpr const char* IDMAP_PREFIX = "/data/resource-cache/";
56 constexpr const char* IDMAP_SUFFIX = "@idmap";
57 
58 constexpr size_t PKG_NAME_MAX = 128u;   /* largest allowed package name */
59 constexpr size_t PKG_PATH_MAX = 256u;   /* max size of any path we use */
60 
61 // NOTE: keep in sync with StorageManager
62 constexpr int FLAG_STORAGE_DE = 1 << 0;
63 constexpr int FLAG_STORAGE_CE = 1 << 1;
64 
65 // NOTE: keep in sync with Installer
66 constexpr int FLAG_CLEAR_CACHE_ONLY = 1 << 8;
67 constexpr int FLAG_CLEAR_CODE_CACHE_ONLY = 1 << 9;
68 
69 /* dexopt needed flags matching those in dalvik.system.DexFile */
70 constexpr int DEXOPT_DEX2OAT_NEEDED       = 1;
71 constexpr int DEXOPT_PATCHOAT_NEEDED      = 2;
72 constexpr int DEXOPT_SELF_PATCHOAT_NEEDED = 3;
73 
74 /****************************************************************************
75  * IMPORTANT: These values are passed from Java code. Keep them in sync with
76  * frameworks/base/services/core/java/com/android/server/pm/Installer.java
77  ***************************************************************************/
78 constexpr int DEXOPT_PUBLIC         = 1 << 1;
79 constexpr int DEXOPT_SAFEMODE       = 1 << 2;
80 constexpr int DEXOPT_DEBUGGABLE     = 1 << 3;
81 constexpr int DEXOPT_BOOTCOMPLETE   = 1 << 4;
82 constexpr int DEXOPT_PROFILE_GUIDED = 1 << 5;
83 constexpr int DEXOPT_OTA            = 1 << 6;
84 
85 /* all known values for dexopt flags */
86 constexpr int DEXOPT_MASK =
87     DEXOPT_PUBLIC
88     | DEXOPT_SAFEMODE
89     | DEXOPT_DEBUGGABLE
90     | DEXOPT_BOOTCOMPLETE
91     | DEXOPT_PROFILE_GUIDED
92     | DEXOPT_OTA;
93 
94 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
95 
96 }  // namespace installd
97 }  // namespace android
98 
99 #endif  // INSTALLD_CONSTANTS_H_
100